Odpowiedź :
[tex]b) \ \frac{3}{7}+\frac{6}{7} = \frac{9}{7} = 1\frac{2}{7}\\\\c) \ \frac{5}{8}+\frac{7}{8} =\frac{12}{8} = \frac{3}{2} = 1\frac{1}{2}\\\\d) \ \frac{10}{11}+\frac{6}{11}=\frac{16}{11} = 1\frac{5}{11}[/tex]
[tex]b) \ \frac{3}{7}+\frac{6}{7} = \frac{9}{7} = 1\frac{2}{7}\\\\c) \ \frac{5}{8}+\frac{7}{8} =\frac{12}{8} = \frac{3}{2} = 1\frac{1}{2}\\\\d) \ \frac{10}{11}+\frac{6}{11}=\frac{16}{11} = 1\frac{5}{11}[/tex]